diff --git a/misc/unit_test_http_server.py b/misc/unit_test_http_server.py
index 46e4335ed2996f1fe630220a9817720fa2dbd7a3..e9c7972f1c3764f84afe8f8896df786af7cfcb5c 100755
--- a/misc/unit_test_http_server.py
+++ b/misc/unit_test_http_server.py
@@ -100,7 +100,7 @@ class UnitTestHTTPServer(HTTPServer):
         self.ignore_done = ignore_done
         self._keep_running = True
         self._exit_message = None
-        self._exit_code = None        
+        self._exit_code = None
 
     def handle_timeout(self):
         """handle_timeout as defined in socketserver.BaseServer